| Atrophic gastritis group (n = 29) | Control group (n = 29) | P |
Chao1 (mean ± SD) | 346.05 ± 41.32 | 357.42 ± 49.29 | 0.387 |
ACE (mean ± SD) | 347.30 ± 42.49 | 360.19 ± 46.52 | 0.233 |
Shannon (mean ± SD) | 3.47 ± 0.22 | 3.45 ± 0.17 | 0.477 |
Simpson (mean ± SD) | 0.06 ± 0.02 | 0.06 ± 0.01 | 0.951 |